Excel
YearNumber Of Papers
2021 0
2020 31
2019 41
2018 29
2017 30
2016 18
2015 23
2014 27
2013 31
2012 76
2011 1950
2010 2389
2009 2062
2008 2079
2007 2085
2006 1891
2005 1631
2004 1637
2003 1345
2002 1053
2001 905
2000 757
1999 581
1998 568
1997 512
1996 452
1995 431
1994 372
1993 395
1992 338
1991 372
1990 306
1989 363
1988 315
1987 270
1986 287
1985 241
1984 235
1983 271
1982 229
1981 200
1980 222
1979 189
1978 184
1977 179
1976 209
1975 202
1974 150
1973 147
1972 144
1971 118
1970 116
1969 106
1968 106
1967 81
1966 84
1965 91
1964 49
1963 35
1962 36
1961 18
1960 23
1959 27
1958 36
1957 28
1956 23
1955 12
1954 18
1953 15
1952 29
1951 22
1950 12
1949 7
1948 8
1947 13
1946 6
1945 4
1944 0
1943 1
1942 0
1941 0
1940 0
1939 0
1938 1
1937 0
1936 1
1935 0
1934 0
1933 0
1932 1
1931 1
1930 1
1929 0
1928 0
1927 0
1926 0
1925 0
1924 0
1923 0
1922 1
1921 0
1920 4
1919 0
1918 2
1917 1
1916 1
1915 0
1914 0
1913 0
1912 0
1911 0
1910 0
1909 0
1908 0
1907 0
1906 0
1905 1
1904 0
1903 0
1902 0
1901 0
1900 0
1899 0
1898 0
1897 1
1896 0
1895 0
1894 0
1893 0
1892 0
1891 0
1890 0
1889 1
1888 0
1887 0
1886 0
1885 0
1884 0
1883 2
1882 0
1881 0
1880 0
1879 0
1878 0
1877 0
1876 1
1875 0
1874 0
1873 0
1872 0
1871 0
1870 0
1869 0
1868 0
1867 0
1866 0
1865 0
1864 0
1863 0
1862 0
1861 0
1860 0
1859 0
1858 0
1857 0
1856 0
1855 0
1854 0
1853 0
1852 0
1851 0
1850 0
1849 0
1848 0
1847 0
1846 0
1845 0
1844 0
1843 0
1842 0
1841 0
1840 0
1839 0
1838 0
1837 0
1836 0
1835 0
1834 0
1833 0
1832 0
1831 0
1830 0
1829 0
1828 0
1827 0
1826 0
1825 0
1824 0
1823 0
1822 0
1821 0
1820 0
1819 0
1818 0
1817 0
1816 0
1815 0
1814 0
1813 0
1812 0
1811 0
1810 0
1809 0
1808 0
1807 0
1806 0
1805 0
1804 0
1803 0
1802 0
1801 0